large quantites of water动词用什么形式?

large quantites of water动词用什么形式? 9.The reason why the lake smells terrible is that large quantites of water _____（被污染了）.（pol eWith more forest being destroyed , huge quantites of good earthWith more forest being destroyed , huge quantites of good earth ___each year答案是are being washed away 为什么不是is being washed away,earth不是不可数吗 a large sum of large schools of a large amount of large amounts a large amount 与of a large quantity of 区别 a large amount of 与large amounts of的区别 a large number of ;large number of等的用法 large numbers of +不可数名词, out of such large population a large number of 同义词 A large bottle of lemonade. large numbers of 造句无 law of large numbers是什么意思 law of large numbers是什么意思 a large quantity of等于large quantities of吗还有还有,a large amount of等于large amounts吗 of the large central part of the